protected function OptionsWidgetBase::getOptions in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Field/Plugin/Field/FieldWidget/OptionsWidgetBase.php \Drupal\Core\Field\Plugin\Field\FieldWidget\OptionsWidgetBase::getOptions()

Returns the array of options for the widget.

Parameters

\Drupal\Core\Entity\FieldableEntityInterface $entity: The entity for which to return options.

Return value

array The array of options for the widget.

3 calls to OptionsWidgetBase::getOptions()

OptionsButtonsWidget::formElement in core/lib/Drupal/Core/Field/Plugin/Field/FieldWidget/OptionsButtonsWidget.php

Returns the form for a single field widget.

OptionsSelectWidget::formElement in core/lib/Drupal/Core/Field/Plugin/Field/FieldWidget/OptionsSelectWidget.php

Returns the form for a single field widget.

OptionsWidgetBase::getSelectedOptions in core/lib/Drupal/Core/Field/Plugin/Field/FieldWidget/OptionsWidgetBase.php

Determines selected options from the incoming field values.

File

core/lib/Drupal/Core/Field/Plugin/Field/FieldWidget/OptionsWidgetBase.php, line 110

Class

OptionsWidgetBase

Base class for the 'options_*' widgets.

Namespace

Drupal\Core\Field\Plugin\Field\FieldWidget

Code

protected function getOptions(FieldableEntityInterface $entity) {
  if (!isset($this->options)) {

    // Limit the settable options for the current user account.
    $options = $this->fieldDefinition
      ->getFieldStorageDefinition()
      ->getOptionsProvider($this->column, $entity)
      ->getSettableOptions(\Drupal::currentUser());

    // Add an empty option if the widget needs one.
    if ($empty_label = $this
      ->getEmptyLabel()) {
      $options = [
        '_none' => $empty_label,
      ] + $options;
    }
    $module_handler = \Drupal::moduleHandler();
    $context = [
      'fieldDefinition' => $this->fieldDefinition,
      'entity' => $entity,
    ];
    $module_handler
      ->alter('options_list', $options, $context);
    array_walk_recursive($options, [
      $this,
      'sanitizeLabel',
    ]);

    // Options might be nested ("optgroups"). If the widget does not support
    // nested options, flatten the list.
    if (!$this
      ->supportsGroups()) {
      $options = OptGroup::flattenOptions($options);
    }
    $this->options = $options;
  }
  return $this->options;
}